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Old 05-02-2007, 09:43 AM   #18226
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The original 415 is much stiffer than the latest model so much better for carpet racing. Still very competitive.
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Old 05-02-2007, 11:22 AM   #18227
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Yep, and I have one of those babies. I'm willing to sell it too, PM me if interested !
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Old 05-02-2007, 11:26 AM   #18228
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Quote:
Originally Posted by John Doucakis
My blog has just been updated with pics from the LRP TCM.

Here are photos of Marc's and Hupo's cars.

http://jdracing.blogs.se/


why in carpet also use old ver. car ?
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Old 05-02-2007, 11:35 AM   #18229
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marc prob running brushed as checkpoint doesnt make brushless......



TRYHARD: what size shim are you running under your mre steering? and where exactly do these shims go? thanks!
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Old 05-02-2007, 01:46 PM   #18230
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Why are a lot of people using the old steering on a new 415 car? people use the 415msx mre but with the old steering, why is that?

Arjen
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Old 05-02-2007, 02:14 PM   #18231
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I think some people find it easier to drive. Personally i like the new steering system. It feels more responsive.

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Old 05-02-2007, 02:23 PM   #18232
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Quote:
Originally Posted by Arjen
Why are a lot of people using the old steering on a new 415 car? people use the 415msx mre but with the old steering, why is that?

Arjen
low center or don't touch suspension mount
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Old 05-02-2007, 03:07 PM   #18233
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Quote:
Originally Posted by Arjen
Why are a lot of people using the old steering on a new 415 car? people use the 415msx mre but with the old steering, why is that?

Arjen
there are no holes for the new steering rack system on the original 415 chassis. plus even if there are holes, it would require a new upper deck.
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Old 05-02-2007, 05:55 PM   #18234
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I've just updated my MSX to MRE spec (Lower deck, Pulleys, Air Duct etc) but am keeping the old steering just as I tried a mates MSXX with the new steering and it was way too sensitive for me, when you have 42mm turnbuckles to the hubs and a short one to the servo, yes it's far more reactive, but sometimes a little too much so! It's all personal choice, and it's not too much a task to change over later on!
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Old 05-02-2007, 06:54 PM   #18235
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Quote:
Originally Posted by John Doucakis
My blog has just been updated with pics from the LRP TCM.

Here are photos of Marc's and Hupo's cars.

http://jdracing.blogs.se/


what brand is that battery matched by checkpoint?
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Old 05-02-2007, 08:35 PM   #18236
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Quote:
Originally Posted by nikkiesteban
what brand is that battery matched by checkpoint?
IB4200 WC
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Old 05-02-2007, 09:27 PM   #18237
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Default Upper Link Position

Q1. Anyone can explain the meaning of the three holes location on the upper front / rear bulkheads ? Does it matter ?

Q2. Shorter vs Longer Upper Link ? Suggestion for asphalt ( Low to medium grip ) but technical track ?
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Old 05-03-2007, 01:52 AM   #18238
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Quote:
Originally Posted by asw7576
Q1. Anyone can explain the meaning of the three holes location on the upper front / rear bulkheads ? Does it matter ?

Q2. Shorter vs Longer Upper Link ? Suggestion for asphalt ( Low to medium grip ) but technical track ?

They affect your roll centre, stick to what the manual says for now, you can always adjust it later
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Old 05-03-2007, 02:28 AM   #18239
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Quote:
Originally Posted by nexxus
They affect your roll centre, stick to what the manual says for now, you can always adjust it later
i want also to know what is roll centre? what's the effect of changing roll center?
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Old 05-03-2007, 03:49 AM   #18240
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Elvo's setup guide explains it well from a technical perspective - http://users.pandora.be/elvo/

Essentially it is the instantaneous point in space around which the car is rotating when it rolls into a corner. And the posistion of this relative to CG is important.

A raised roll centre - acheived with a more angled/shorter camber link or by raising the inner suspension mounts - decreases cornering grip on that axle but also makes the car more responsive.

Lowering the roll centre (longer/less angled link, lower suspension blocks) does the opposite.

Extremely angled camber links also generate more dynamic camber change which is a whole different kettle of fish.

Generally, to generate more grip run a low roll centre. So for low grip asphalt a lower roll centre is usually better.
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